C21 We're Still Friends Aren't We

The phone's ringtone sounded. Gu Xicheng looked at the caller ID. There was no comment on the phone, but he remembered this number by heart.

Gu Xicheng picked up the phone: "Hello."

"Cheng, it's me."

"I know."

"I'm back."

"Yes."

"Let's meet once!"

"I don't think so." Gu Xicheng planned to hang up after saying that